高中英语 Unit3《Inventors and Inventions》课件-using langu

ListeningonPage62Readthesequestionsbeforelisteninganddiscusstheminpairs.1.Whatfunctionsarealreadyincludedonamobilephone?2.Whichonesdoyoufinduseful?3.Whatelsedoyouexpectamobilephonetodoforyou?□amobilethat“think”□amobilethatspendsyourmoney□amobilethatcanteachyouEnglish□amobilethatchoosesyourholidayListentothetapeandtickthedescriptionsyouhaveheard.□amobilethatmakestea□amobilethatisacomputer□amobilethatwakesyouup□amobilethatordersyourfoodListentothetapeagainandanswerthesequestions.1.WhichmobiledoesMarythinkshewillbuyandwhy?Marywantstobuythemobilethatturnsitselfonwhenitreceivesimportantcalls.Shemissedthreeyesterdaywhenhermobilewasswitched/turnedoff.2.Whatextraapplicationsdomobileshavenow?Mobilescantakephotographsandactasacomputernow.3.Whatextraapplicationswilltheyhavewiththe3-Gmobiles?Theywillbeabletomonitorhowyouuseyourphone.Theywillbookholidays,choosetheairline,hotelandanappropriateplacetostay.Theywillauthorizepayingforthemtoo.4.WhyisMaryworried?Maryisworriedbecauseitmightspendhermoney.5.Whatadvantagesdothe3Gmobilesoffer?Theadvantagesarethatithelpspeoplewhoarebusyatworktoordergoodsatthecheapestpriceorbookholidays,airtickets,etc.6.Whatdoyouthinkmightgowrong?ListeningtextWHICHONESHOULDICHOOSE?MaryBrownisaskingherfriend,ZhangJie,foradvice.MB:Hallo,isthatZhangJie?ThisisMary.I’mthinkingofbuyinganewmobilephone.Whatdoyousuggest?ZJ:HalloMary.I’mhappytohelp.It’sluckyyoucouldgetthrough.I’vebeenhavingsometroublewiththelineandIkeepgettingcutoff.Ifthelinegoesdead,ringmebackimmediatelyonmymobileanditshouldbeOK.Nowwhatdoyouwantyourmobiletodo?MB:Well,I’veheardaboutmobilesthatarecomputersandcantakephotographsaswell.Doyouthinkthey’reagoodidea?ZJ:Mmm.Yes,they’reuseful.IcanusetheInternetevenwhenI’monthetrain.MB:Soyousuggestonelikethatthen?ZJ:Notnecessarily.Itseemsthere’llbesomenewmobilephonescomingonthemarketnextyear.They’regoingtobeevenmorepowerfulthantheonesonthemarketnow.MB:Whataretheygoingtodo?ZJ:Oh,you’venoideawhatthey’replanning!Thesenewphoneswillbeabletoorganizeyourlife.They’recalled3Gphonesbecausethey’rethethirdgenerationofmobilephones.They“think”foryou.MB:Howcantheydothat?ZJ:Well,they’llbeabletomonitorhowyouuseyourphone.Whenyouplanaholiday,thephonewillknowwhichairlineyouliketoflywith,andwillbooktheseatsandthehotel.Thenit’llpayforyou.MB:Wow!I’mnotsureI’dbehappywiththat!Idon’tliketheideaofamachinespendingmymoney.ZJ:Well,manybusinessesalreadyusemobilephonestobuygoods.Theyleavethemtoordergoodswhentheyareattheircheapest.MB:Dotheyreally?Well,Inever!WhatIneedisamobiletostopmemissingimportantcalls.Imissedthreeyesterdaybecausemymobilewasswitchedoff.ZJ:Youcanhavethattoo.There’sanewmobilecomingoutsoonthatwillturnitselfonwhenimportantcallscomethrough.MB:Areyousure?Ifthat’sthecase,that’stheoneforme!Thankyou,ZhangJie,IthinkI’llwaitforthatone.Goodbye.ZJ:Goodbye.LookattheseChineseinventionsonP68inpairsanddiscusswhatyouknowaboutthem.Thinkaboutwhattheywereusedforandthedatetheywereinvented.Collecttheinformationbydoingsomeresearch.Fillinthechartandpreparetotalkaboutoneoftheinventionstotheclass.Whatwasitspossibleuse?Why?WhenandwherediditappearinEurope?1Anabacusisusedtocalculatemathematicalproblemsincludingequations.Itismoreefficientthanusingthebrainalone.ItwasneverusedintheWest,butitisclosestinfunctiontoamodernpersonalcalculator.Whatwasitspossibleuse?Why?WhenandwherediditappearinEurope?2TheprintingpresswasusedtoprintmessagesfromtheEmperortothepeople.Ithelpedtheefficiencyofgovernment.Gutenburg(1398-1468)begantoprintbooksonhispressabout1450ADinGermany.Whatwasitspossibleuse?Why?WhenandwherediditappearinEurope?3Awater-poweredclockwasusedtomeasurethepositionandmovementofthestarsinthesky.ItdatesbacktotheNorthernSongDynasty.TheWestdidnotevendiscoverthesunwasthecentreoftheuniverseuntilCopernicusinthefifteenthcenturyAD.YouhavebeenaskedtowriteanentryforanencyclopediaaboutoneofthesethreeChineseinventions.Chooseoneandpreparetowriteyourreport.Youwillincludeaphotographordrawing,butyoumustexplainsomeimportantpointsinyourreport:WritingadescriptionoftheobjectwhatitwasusedforhowitwasusedwhenitwasinventedMakesurethateachpointisanewparagraph.Makethefirstsentenceofeachparagraphatopicsentenceandthenaddalltheinformation.FinishthereportbystationwhenitwasproducedinChinaandwhenitwasfoundinWesterncountries.Asampleversion:Theabacusistypicallyconstructedofvarioustypesofhardwoodsandcomesinvarioussizes.Theframeoftheabacushasaseriesofverticalrodsonwhichanumberofwoodenbeadsareallowedtoslidefreely.Ahorizontalbeamseparatestheframeintotwosections,knownastheupperdeckandthelowerdeck.Thestandardabacuscanbeusedtoperformaddition,subtraction,divisionandmultiplication.Theabacuscanalsobeusedtoextractsquare-rootsandcubicroots.Theabacusispreparedforusebyplacingitflatontableorone’slapandpushingallthebeadsonboththeupperandlowerdecksawayfromthebeam.Theheadsaremanipulatedwitheithertheindexfingerorthethumbofonehand.Eachheadintheupperdeckhasavalueof5;eachbeadsinthelowerdeckhasavalueof1.Beadsareconsideredcounted,whenmovedtowardsthebeamthatseparatesthetwodecks.After5headsarecountedinthelowerdec